blob: 344eb1790b4646901f842786a8df9fb21f17bd63 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#ifndef _ASM_X86_NUMA_64_H
#define _ASM_X86_NUMA_64_H
#include <linux/nodemask.h>
struct bootnode {
u64 start;
u64 end;
};
#define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
extern int numa_off;
extern unsigned long numa_free_all_bootmem(void);
extern void setup_node_bootmem(int nodeid, unsigned long start,
unsigned long end);
#ifdef CONFIG_NUMA
/*
* Too small node sizes may confuse the VM badly. Usually they
* result from BIOS bugs. So dont recognize nodes as standalone
* NUMA entities that have less than this amount of RAM listed:
*/
#define NODE_MIN_SIZE (4*1024*1024)
extern nodemask_t numa_nodes_parsed __initdata;
extern int __cpuinit numa_cpu_node(int cpu);
extern int __init numa_add_memblk(int nodeid, u64 start, u64 end);
extern void __init numa_set_distance(int from, int to, int distance);
#ifdef CONFIG_NUMA_EMU
#define FAKE_NODE_MIN_SIZE ((u64)32 << 20)
#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL))
void numa_emu_cmdline(char *);
#endif /* CONFIG_NUMA_EMU */
#else
static inline int numa_cpu_node(int cpu) { return NUMA_NO_NODE; }
#endif
#endif /* _ASM_X86_NUMA_64_H */
|